please help me to correct errors in this presentation (chemistry)?
Following is my presentation. But im not sure whether it contains any errors. I need ur help to find and correct errors if there are any
text:
Atmosphere is a part of the earth where a lot of chemical reactions take palace in. Not only natural reactions such as Photosynthesis, formation of ozone, But also reactions and incidents which causes the
activity of modern human such as acid rains, air pollution, smog are also happens in the atmosphere.
Formation of Ozone
Ozone is generated by reactions occurring in the stratosphere
"An oxygen molecule (O2) in the stratosphere is broken into 2 oxygen atoms (O + O) by absorbing ultraviolet light energy from the sun. The oxygen atom (O) is now free to react with an oxygen molecule (O2) to create an ozone molecule (O3).
O2 + UV => O + O
O + O2 => O3"
Acidity of the rain water
Distilled water has a neutral pH. But the rain water has a slightly acidic (about 5.2) pH value because of the carbon dioxide in the atmosphere reacts with water and foarms carbonic acid.
H2O (l) + CO2 (g) -> H2CO3 (aq)
Acid rain
Sulfur dioxide
sulfur dioxide releasing to the atmosphere from industrial sources such as smokestacks of coal-burning power plants can converted into sulfuric acid in the atmosphere ruslting acid rains when they are carried to the ground by rain.
SO2 + OH· -> HOSO2·
HOSO2 + O2 -> HO2 + SO3
SO3(g) + H2O(l) -> H2SO4(l)
Nitrogen oxides
Nitrogen oxides in the atmosphere can converted into nitric acid which will also result in acid rain. Automobile exhaust also provide large amount of Nitrogen oxides to the atmosphere.
NO2 + OH -> HNO3
UV rays ionizing gases in the ionosphere
The uppermost part of the atmosphere is the ionosphere. The ionosphere is full of electrically charged ions.Solar radiotion causes the ionizing of gases in the ionosphere.
reactions in the ionosphere:
O + h v -> O+ + e
N + h v -> N+ + e
reactions in the thermosphere:
N + O2 -> NO + O
N + NO -> N2 + O
O + O -> O2
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please take your time and help me.
Thanks in advance.
I think it is correct
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